Certolizumab Pegol for the Treatment of Patients With Active Rheumatoid Arthritis

ACR20 responders are subjects with at least 20% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

ACR20 responders are subjects with at least 20% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

ACR20 responders are subjects with at least 20% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

ACR20 responders are subjects with at least 20% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

ACR20 responders are subjects with at least 20% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

ACR20 responders are subjects with at least 20% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

ACR50 responders are subjects with at least 50% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

ACR70 responders are subjects with at least 70% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS)

DAS28(CRP) is calculated using tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/L), and Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in mm). A lower score indicates less disease activity. Change from baseline is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

SDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/dL), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity. Change from baseline is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

CDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity. Change from baseline is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

DAS28(CRP) is calculated using tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/L), and Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in mm). A lower score indicates less disease activity.

SDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/dL), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity.

CDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity.

TJC is calculated based on tenderness response of 28 joints. TJC possible values range from 0 to 28. A lower TJC indicates less joint tenderness. Change from baseline is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

SJC is calculated based on swelling response of 28 joints. SJC possible values range from 0 to 28. A lower SJC indicates less joint swelling. Change from baseline is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

HAQ-DI is derived based on the mean of individual scores in 8 categories of daily living actives (using 20 questions). Each question is scored 0-3 (0 = without any difficulty, 1 = with some difficulty, 2 = with much difficulty, and 3 = unable to do). Change from baseline is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

Change from baseline in CRP (mg/L) is computed as the ratio of Week 12 value divided by baseline value. A ratio less then 1 indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

Change from Baseline in PAAP-VAS (0 to 100 mm visual analog scale, 0 being no pain and 100 being most severe pain) is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

Change from Baseline in PtGADA-VAS (0 to 100 mm visual analog scale, 0 being no symptoms and 100 being severe symptoms) is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

Change from Baseline in PhGADA-VAS (0 to 100 mm visual analog scale, 0 being no symptoms and 100 being severe symptoms) is computed as Week 12 value minus baseline value. A negative value in change from baseline indicates an improvement. This analysis was carried out using the Last Observation Carried Forward (LOCF) method.

The time from randomization to sustained ACR20 response at 2 consecutive visits (at the latest on Week 12).

EULAR response (good response, moderate response, or no response) is defined based on the present value and improvement from baseline in DAS28(CRP) [Disease Activity Score-28 (C-reactive protein)].

ACR20 responders are subjects with at least 20% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS). This analysis was carried out using imputation.

ACR50 responders are subjects with at least 50% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS). This analysis was carried out using imputation.

ACR70 responders are subjects with at least 70% improvement from Baseline for tender joint count (TJC), swollen joint count (SJC), and at least 3 of the 5 remaining core set measures: 1) Health Assessment Questionnaire-Disability Index (HAQ-DI), 2) C-reactive Protein (CRP), 3) Patient's Assessment of Arthritis Pain-Visual Analog Scale (PAAP-VAS), 4) Patient's Global Assessment of Disease Activity-Visual Analog Scale (PtGADA-VAS), 5) Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS). This analysis was carried out using imputation.

DAS28(CRP) is calculated using tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/L), and Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in mm). A lower score indicates less disease activity. Change from Baseline is computed as the value at Week 28 minus Baseline value. A negative value in change from Baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

SDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/dL), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity. Change from Baseline is computed as the value at Week 28 minus the Baseline value. A negative value in change from Baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

CDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity. Change from Baseline is computed as value at Week 28 minus the Baseline value. A negative value in change from Baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

DAS28(CRP) is calculated using tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/L), and Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in mm). A lower score indicates less disease activity. This analysis was carried out using imputation.

SDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), C-reactive protein (CRP in mg/dL), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity. This analysis was carried out using imputation.

CDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), Patient's Global Assessment of Arthritis-Visual Analog Scale (PtGADA-VAS in cm), and Physician's Global Assessment of Disease Activity-Visual Analog Scale (PhGADA-VAS in cm). A lower score indicates less disease activity. This analysis was carried out using imputation.

TJC is calculated based on tenderness response of 28 joints. TJC possible values range from 0 to 28. A lower TJC indicates less joint tenderness. Change from Baseline is computed as the value at Week 28 minus the Baseline value. A negative value in change from Baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

SJC is calculated based on swelling response of 28 joints. SJC possible values range from 0 to 28. A lower SJC indicates less joint swelling. Change from baseline is computed as the value at Week 28 minus the baseline value. A negative value in change from baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

HAQ-DI is derived based on the mean of individual scores in 8 categories of daily living actives (using 20 questions). Each question is scored 0-3 (0 = without any difficulty, 1 = with some difficulty, 2 = with much difficulty, and 3 = unable to do). Change from baseline is computed as the value at Week 28 minus the baseline value. A negative value in change from baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

Change from Baseline in CRP (mg/L) is computed as the ratio of the value at Week 28 divided by Baseline value. A ratio less then 1 indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

Change from Baseline in PAAP-VAS (0 to 100 mm visual analog scale, 0 being no pain and 100 being most severe pain) is computed as the value at Week 28 minus the Baseline value. A negative value in change from Baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

Change from Baseline in PtGADA-VAS (0 to 100 mm visual analog scale, 0 being no symptoms and 100 being severe symptoms) is computed as the value at Week 28 minus the Baseline value. A negative value in change from Baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).

Change from Baseline in PhGADA-VAS (0 to 100 mm visual analog scale, 0 being no symptoms and 100 being severe symptoms) is computed as the value at Week 28 minus the Baseline value. A negative value in change from Baseline indicates an improvement. This analysis was done using a Mixed Effects Repeated Measures Model (MMRM).